Methods and systems for resource planning in a shared spectra

Abstract

Techniques for modelling a radio network in a geographic region utilizing shared spectra are disclosed. Population data is obtained for the geographic region. A number of radios per channel in the geographic region, N′, is determined. Candidate geographic location for radios in the geographic region are determined. For every channel in the shared spectra, at least one of a static dataset and a dynamic dataset is determined. At least one set of output data, that is a statistical characterization of the radio network, is generated using at least one of the static dataset and the dynamic dataset, to aid in design of the radio network.

The invention claimed is: 
     
       1. A method of modelling a radio network in a geographic region utilizing shared spectra, comprising:
 receiving identification of the geographic region; 
 transmitting the geographic region to processing circuitry configured to:
 obtain population data for the geographic region; 
 determine a number of radios per channel in the geographic region, N′; 
 determine candidate geographic location for radios in the geographic region; 
 determine, for every channel in the shared spectra, at least one of a static dataset and a dynamic dataset; 
 wherein the static dataset comprises a set of n*N′*R elements, wherein n is a number of first data types, comprising at least one independent variable and at least one dependent variable, of the static dataset and R is a number of trials to determine the at least one dependent variable using random values of the at least one independent variable, wherein the first data types comprise a first set of radio parameters whose values are randomly selected and a radio transmit power level for a channel, and wherein the radio transmit power level for the channel is determined so as to distribute interference margin amongst radios in a neighborhood of a protection point or an incumbent user using the randomly selected values of the first set of radio parameters; 
 wherein the dynamic dataset comprises a set of l*N′*R elements, wherein l is a number of second data types, comprising at least one independent variable and at least one dependent variable, of the dynamic dataset, wherein the second data types comprise a second set of radio parameters whose values are randomly selected and a move list of radios, operating in the channel, whose transmissions are terminated upon operation of an incumbent system using the channel, and wherein the move list of radios is determined with the randomly selected values of the second set of radio parameters; 
 generate at least one set of output data that is a statistical characterization of the radio network using at least one of the static dataset and the dynamic dataset; and 
 using the at least one set of output data, determine at least one of spectrum availability in the geographic region and likelihood of a radio being placed on a move list in the geographic region; and 
 
 receiving, from the processing circuitry, the at least one of spectrum availability in the geographic region and likelihood of a radio being placed on the move list in the geographic region. 
 
     
     
       2. The method of  claim 1 , further comprising displaying, the determined at least one of spectrum availability over all geographic regions and the determined likelihood of a radio being placed on a move list over all geographic regions, as a map of geographic region and using different indicia to indicate a range of corresponding availability and a range of corresponding likelihood. 
     
     
       3. The method of  claim 1 , further comprising receiving from the processing circuitry at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment;
 wherein the processing circuitry is further configured to determine the at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment based upon at least one of the determined at least one spectrum availability and the determined likelihood of a radio being placed on the move list. 
 
     
     
       4. The method of  claim 3 , further comprising displaying, the at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment, as a map of a geographic region and using different indicia to indicate a range of a corresponding impairment. 
     
     
       5. The method of  claim 1 , wherein generating the at least one set of output data comprises generating output data that statistically characterizes parameters of the radio network as market penetration increases. 
     
     
       6. The method of  claim 1 , wherein determining the static data set further comprises:
 determining if the transmit power level of any radio in the neighborhood and in the channel is below a threshold power level; and 
 upon determining that the transmit power level of one or more radios in the neighborhood and in the channel are below the threshold, then determine a radio transmit power level, for a channel and for radios in the neighborhood determined to have a transmit power equal to or greater than the threshold power level, that distributes interference margin amongst the determined radios using the randomly selected values of the first set of radio parameters. 
 
     
     
       7. The method of  claim 1 , further comprising:
 receiving, from the processing circuitry, a maximum possible transmission power at each candidate radio location in absence of interference from other radios; and 
 displaying a map of candidate radio locations in a geographic region using different indicia to indicate a range of a corresponding maximum possible transmission power at each candidate radio location. 
 
     
     
       8. A system, comprising:
 first processing circuitry configured to:
 receive an identification of a geographic region; 
 transmit the geographic region to second processing circuitry configured to:
 obtain population data for the geographic region; 
 determine a number of radios per channel in the geographic region, N′; determining candidate geographic location for radios in the geographic region; determining, for every channel in a shared spectra, at least one of a static dataset and a dynamic dataset; 
 wherein the static dataset comprises a set of n*N′*R elements, wherein n is a number of first data types, comprising at least one independent variable and at least one dependent variable, of the static dataset and R is a number of trials to determine the at least one dependent variable using random values of the at least one independent variable, wherein the first data types comprise a first set of radio parameters whose values are randomly selected and a radio transmit power level for a channel, and wherein the radio transmit power level for the channel is determined so as to distribute interference margin amongst radios in a neighborhood of a protection point or an incumbent user using the randomly selected values of the first set of radio parameters; 
 wherein the dynamic dataset comprises a set of l*N′*R elements, wherein l is a number of second data types, comprising at least one independent variable and at least one dependent variable, of the dynamic dataset, wherein the second data types comprise a second set of radio parameters whose values are randomly selected and a move list of radios, operating in the channel, whose transmissions are terminated upon operation of an incumbent system using the channel, and wherein the move list of radios is determined with the randomly selected values of the second set of radio parameters; and 
 generate at least one set of output data that is a statistical characterization of a radio network, using at least one of the static dataset and the dynamic dataset, to determine at least one of spectrum availability over the geographic region and likelihood of a radio being placed on a move list over the geographic region; and 
 
 
 wherein the first processing circuitry is further configured to receive, from the second processing circuitry, the at least one of spectrum availability in the geographic region and likelihood of a radio being placed on the move list in the geographic region. 
 
     
     
       9. The system of  claim 8 , wherein the first processing circuitry is configured to cause display, of the determined at least one of spectrum availability over all geographic regions and the determined likelihood of a radio being placed on a move list over all geographic regions, as a map of geographic region and using different indicia to indicate a range of corresponding availability and a range of the corresponding likelihood. 
     
     
       10. The system of  claim 8 , wherein the first processing circuitry is further configured to receive at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment from the second processing circuitry which determines the at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment based upon at least one of the determined at least one spectrum availability and the determined likelihood of a radio being placed on the move list. 
     
     
       11. The system of  claim 10 , wherein the first processing circuitry is configured to display, the at least one of combined overall PAL impairment, static PAL impairment, and dynamic PAL impairment, as a map of a geographic region and using different indicia to indicate a range of a corresponding impairment. 
     
     
       12. The system of  claim 8 , wherein generating the at least one set of output data comprises generating output data that statistically characterizes parameters of the radio network as market penetration increases. 
     
     
       13. The system of  claim 8 , wherein determining the static data set further comprises:
 determining if the transmit power level of any radio in the neighborhood and in the channel is below a threshold power level; and 
 upon determining that the transmit power level of one or more radios in the neighborhood and in the channel are below the threshold, then determine a radio transmit power level, for a channel and for radios in the neighborhood determined to have a transmit power equal to or greater than the threshold power level, that distributes interference margin amongst the determined radios using the randomly selected values of the first set of radio parameters. 
 
     
     
       14. The system of  claim 8 , wherein the first processing circuitry is further configured to:
 receive, a maximum possible transmission power at each candidate radio location in absence of interference from other radios, from the second processing circuitry; and 
 cause display of a map of candidate radio locations in a geographic region using different indicia to indicate a range of a corresponding maximum possible transmission power at each candidate radio location. 
 
     
     
       15. The system of  claim 8 , wherein the processing circuitry is further configured to determine a correlation between at least one radio parameter and probability of being placed on a move list, where the at least one radio parameter comprises radio location.